DICT.TW Dictionary Taiwan

 bridge·head /-ˌhɛd/
 橋頭堡

 Bridge·head n. A fortification commanding the extremity of a bridge nearest the enemy, to insure the preservation and usefulness of the bridge, and prevent the enemy from crossing; a tête-de-pont.
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 bridgehead
      n 1: an area in hostile territory that has been captured and is
           held awaiting further troops and supplies; "an attempt
           to secure a bridgehead behind enemy lines"; "the only
           foothold left for British troops in Europe was
           Gibraltar" [syn: foothold]
      2: a defensive post at the end of a bridge nearest to the enemy